NON-ISOLATED DC/DC CONVERTERS
4.5 Vdc - 13.2 Vdc Input
General Specifications
0.9 Vdc - 5.0 Vdc/15 A Output
Parameter
Min
Typ
Max
Notes
Efficiency
Vo=5.0 V
Vo=3.3 V
88%
87%
92.6%
92%
-
-
Vo=2.5 V
Vo=1.8 V
Vo=1.5 V
Vo=1.2 V
Vo=0.9 V
85%
83%
81%
79%
75%
90%
88%
86%
84%
80%
-
-
-
-
-
Measured at Vin=12 V, full load.
Efficiency
Vo=3.3 V
Vo=2.5 V
88%
86%
93%
91%
-
-
Vo=1.8 V
Vo=1.5 V
Vo=1.2 V
Vo=0.9 V
Switching Frequency
Output Voltage Trim Range (Wide Trim)
83%
81%
79%
75%
180 kHz
-
88%
86%
83%
81%
200 kHz
-
-
-
-
-
220 kHz
403%Vo
Measured at Vin=5 V, full load.
VRPB-15E1Ax
Output Voltage Trim Range (Narrow Trim)
Vo=1.2 V-5.0 V
Vo=0.9 V
Remote Sense Compensation
90%Vo
-
-
-
-
-
110%Vo
110%Vo
10%Vo
VRPB-15Exxx
Calculated Per Bell Core SR-
MTBF
Dimensions
Inches (L × W × H)
Millimeters (L × W × H)
3,714,560 hours
2.0 x 0.55 x 0.36
50.8 x 13.97 x 9.14
332 (I O = 80%Iomax; Vo=1.8 V;
Vin=12 V; T a = 25 ° C)
Weight
-
10 g
-
Note : All specifications are typical at 25 ° C unless otherwise stated.
Control Specifications
Parameter
Min
Typ
Max
Notes
Remote On/Off
Signal Low (Unit Off)
-0.3 V
-
0.4 V
Signal High (Unit On)
Signal Low (Unit On)
Signal High (Unit Off)
2.8 V
-0.3 V
2.8 V
-
-
-
13.2 V
0.4 V
13.2 V
VRPB-15ExxS
VRPB-15ExxL
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 ? Tel 201-432-0463 ? Fax 201-432-9542 ? www.belfuse.com
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